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robotic arm . In the experiment, supplementing vision with artificial tactile perception cut the time spent grasping and transferring objects in half, from a median time of 20.9 to 10.2 seconds. "In a sense, this is what we hoped would happen — but perhaps not to the degree that we observed," said co-senior author Jennifer Collinger, Ph.D., associate professor in the Pitt Department of Physical Medicine and Rehabilitation. "Sensory feedback from limbs and hands is hugely important for doing normal things in our daily lives, and when that feedback is lacking, people's performance is im...

To revist this article, visit My Profile, then View saved stories. The proverbial story of overcoming paralysis tends to start with the legs: Superman vows to walk again; a soap opera character steps out of their wheelchair. “I think society has a tendency to focus solely on the walking aspect of disability,” says Ian Ruder, a magazine editor with the United Spinal Association, a nonprofit advocacy group for people with spinal cord injuries and disorders. But Ruder, who has used a wheelchair following an injury 23 years ago, says even restoring just a fraction of his hand function ...